Finding the Fourth Proportional to 380,356.63, 570,321.50 and 260,548.99
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Solution
The fourth proportional to 380,356.63, 570,321.50 and 260,548.99 is: 390,677.27
Step by Step Solution
- Step 1: Write the proportion equation
380,356.63 : 570,321.50 = 260,548.99 : x - Step 2: Convert to fraction form
380,356.63/570,321.50 = 260,548.99/x - Step 3: Cross multiply
380,356.63x = 570,321.50 × 260,548.99 - Step 4: Simplify right side
380,356.63x = 148,596,687,948.68 - Step 5: Solve for x
x = 148,596,687,948.68/380,356.63 - Step 6: Final answer
x = 390,677.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.